Latest web development tutorials

Highcharts missing values ​​area map

Highcharts area map Highcharts area map

The following example demonstrates the loss of value of the area in FIG.

In the previous section we already know Highcharts basic configuration syntax. Let's look at the other configurations. Add spacingBottom properties in the chart.

chart configuration

The chart of spacingBottom property is set to 30. Interval represents the interval between the charts.

var chart = {
   type: 'area',
   spacingBottom: 30
};

Examples

File name: highcharts_area_missing.htm

<html>
<head>
<meta charset="UTF-8" />
<title>Highcharts 教程 | 本教程(w3big.com)</title>
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="http://code.highcharts.com/highcharts.js"></script>
</head>
<body>
<div id="container" style="width: 550px; height: 400px; margin: 0 auto"></div>
<script language="JavaScript">
$(document).ready(function() {  
   var chart = {
      type: 'area',
	  spacingBottom: 30
   };
   var title = {
      text: 'Fruit consumption *'   
   }; 
   var subtitle = {
      text: '* Jane\'s banana consumption is unknown',
      floating: true,
      align: 'right',
      verticalAlign: 'bottom',
      y: 15
   };
   var legend = {
      layout: 'vertical',
      align: 'left',
      verticalAlign: 'top',
      x: 150,
      y: 100,
      floating: true,
      borderWidth: 1,
      backgroundColor: (Highcharts.theme && Highcharts.theme.legendBackgroundColor) || '#FFFFFF'
   };
   var xAxis = {
      categories: ['Apples', 'Pears', 'Oranges', 'Bananas', 'Grapes', 'Plums', 'Strawberries', 'Raspberries']      
   };
   var yAxis = {
      title: {
         text: 'Y-Axis'
      },
      labels: {
         formatter: function () {
            return this.value;
         }
      }
   };
   var tooltip = {
      formatter: function () {
         return '<b>' + this.series.name + '</b><br/>' +
            this.x + ': ' + this.y;
      }
   };
   var plotOptions = {
      area: {
         fillOpacity: 0.5
      }
   };
   var credits = {
      enabled: false
   };
   var series= [{
        name: 'John',
            data: [0, 1, 4, 4, 5, 2, 3, 7]
        }, {
            name: 'Jane',
            data: [1, 0, 3, null, 3, 1, 2, 1]
      }
   ];     
      
   var json = {};   
   json.chart = chart; 
   json.title = title; 
   json.subtitle = subtitle; 
   json.xAxis = xAxis;
   json.yAxis = yAxis;
   json.legend = legend;
   json.tooltip = tooltip;
   json.plotOptions = plotOptions;
   json.credits = credits;
   json.series = series;
   $('#container').highcharts(json);
  
});
</script>
</body>
</html>

The above example output is:

Highcharts area map Highcharts area map